Cold-rolled steel sheet forming device and forming method

Abstract

The invention discloses a cold-roll steel sheet forming device and method, and relates to the technical field of cold-roll steel sheet forming. The device comprises a treatment box, through grooves are formed in the two ends of the treatment box in a penetrating mode, steel plate bodies are arranged in the through grooves, the interior of the treatment box is partitioned through two vertically-arranged partition plates, and through grooves identical to the two ends of the treatment box are formed in the partition plates; two transverse plates which are distributed diagonally are arranged at one end of the interior of the treatment box, the transverse plates are located above and below the through groove and are horizontally arranged, the two ends of the two transverse plates penetrate through the treatment box, a plurality of polishing discs which are distributed at equal intervals are arranged on the sides, close to the steel plate body, of the transverse plates, and the polishing discs are driven by a driving source; a steel plate can be directly polished and coated in the treatment box, the machining and forming efficiency is improved, the number of transferring steps is reduced, and the productivity is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cold-rolled steel plate forming, and in particular to a cold-rolled steel plate forming device and a forming method. Background Art

[0002] Cold-rolled steel sheet is a steel sheet produced by a continuous cold rolling process after pickling to remove the oxide scale from hot-rolled steel coils. The finished product is a hard-rolled coil. The material hardness of the cold-rolled steel sheet in the hard-rolled coil state is high, but the mechanical processing performance is poor. Therefore, the cold-rolled steel sheet also needs to be annealed to restore its mechanical processing performance. Cold-rolled steel sheet is widely used in various fields as a raw material for steel sheets and is processed into steel sheet products of various structures.

[0003] Nowadays, cold-rolled steel plates need to be polished and coated in the subsequent forming process. Coating is mainly to apply a protective layer on one side of the steel plate surface to increase corrosion resistance. Polishing is to make the steel plate surface smooth and bright and improve the appearance quality. However, the above steps are basically performed separately, resulting in the need for additional transfer steps in the process, resulting in low production forming efficiency. In addition, during the current polishing of steel plates, single polishing is slow and not comprehensive enough, affecting the overall polishing effect.

[0004] In view of the above problems, the inventors propose a cold-rolled steel plate forming device and a forming method for solving the above problems. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a cold-rolled steel plate forming device and forming method.

[0006] In order to solve the above technical problems, the present invention adopts the following technical scheme: a cold-rolled steel plate forming device, including a processing box, two ends of the processing box are penetrated by through grooves, a steel plate body is arranged in the through grooves, the interior of the processing box is divided by two vertically arranged partitions, the partitions are provided with through grooves identical to the two ends of the processing box, one end of the processing box is provided with two diagonally distributed cross plates, the cross plates are located above and below the through grooves and are horizontally arranged, the two ends of the two cross plates respectively pass through the processing box, a plurality of polishing discs distributed at equal intervals are provided on the side of the cross plate close to the steel plate body, the polishing discs are all driven by a driving source, the two cross plates are provided with driving components, two symmetrically arranged coating rollers are provided in the middle position of the two partitions in the processing box, and a drying component is provided at the end of the processing box away from the cross plate.

[0007] Preferably, the driving assembly includes a telescopic rod, and the telescopic rod is provided with two in number and symmetrically distributed at both ends of a horizontal plate located above, the output end of the telescopic rod is fixedly provided on the horizontal plate, a horizontally arranged connecting plate is fixedly provided on the top of the two telescopic rods, a movable groove is penetrated through the middle end of the connecting plate, a push block is movably inserted in the movable groove, a rotating plate is fixedly provided on the top of the push block, a vertically arranged rotating shaft is fixedly provided on the end of the rotating plate away from the push block, a first motor is provided on the top of the rotating shaft, the output end of the first motor is coaxially fixedly provided on the rotating shaft, and a connecting assembly is provided between one end of the two horizontal plates.

[0008] Preferably, the connecting assembly includes a vertical plate, which is arranged between the ends of two horizontal plates, and a driving gear is rotatably provided in the middle of the interior of the vertical plate, and two diagonally distributed tooth plates are meshed on the driving gear, and connecting rods are fixedly provided at one end of the two horizontal plates close to the vertical plate, and the end of the connecting rod away from the horizontal plate is fixedly provided on an adjacent tooth plate and the connecting rod movably passes through the vertical plate, and two symmetrically arranged mounting blocks are fixedly provided on one side of the exterior of the vertical plate, and a screw rod is provided between the two mounting blocks for common rotation, and the connecting rod close to the mounting block is threadedly provided on the screw rod; scrapers are fixedly provided on the upper and lower sides of the steel plate body on the partition close to the horizontal plate, and a vacuum cleaner is located between the scraper and the horizontal plate above the interior of the processing box.

[0009] Preferably, a first storage box is installed in the processing box below the coating roller, and the bottom of the coating roller located below is located in the first storage box. A second storage box is fixedly installed outside the processing box directly above the coating roller, and a discharge hopper is installed at the bottom of the second storage box. The bottom of the discharge hopper penetrates the processing box and is located directly above the coating roller. A conveying pipe is connected to the first storage box and the second storage box. One end of the conveying pipe close to the first storage box is connected to the first storage box through a pump. Transmission rods are fixedly provided at the ends of the two coating rollers and the transmission rods are rotatably set on the inner wall of the processing box, wherein the two transmission rods on the same side are connected by two meshing fixed gears.

[0010] Preferably, two vertically symmetrical brackets are installed at both ends of the outside of the processing box, and a conveying roller is provided between two adjacent brackets and directly below the through slot, and the two ends of the conveying roller are rotatably arranged on the bracket through a rotating rod, wherein the two adjacent rotating rods are connected by two meshing transmission gears, and a transmission shaft is rotatably provided at the bottom of one side of the outer wall of the processing box, and a belt is provided between the transmission shaft and one of the rotating rods at both ends of the processing box, and the belt is connected to the transmission shaft and the two rotating rods through a pulley; the drying component includes a heating tube, which is arranged inside the processing box and located above and below the through slot, and a fan is provided inside the processing box at the bottom of the heating tube; a connecting shaft is rotatably provided on the bracket away from the heating tube and close to one side of the belt, a half-face gear is fixed on the connecting shaft, a full gear meshing with the half-face gear is fixed on the rotating rod close to the connecting shaft, a second motor is fixedly installed on the bracket close to the connecting shaft, and the output end of the second motor is coaxially fixed on the connecting shaft.

[0011] Preferably, a support plate is fixedly provided on the outer wall of the processing box close to one side of the connecting shaft and below the conveying roller.

[0012] A forming method for a cold-rolled steel plate forming device comprises the following steps;

[0013] S1. The steel plate is fed into the processing box through the conveyor roller and passes through the polishing structure on the two horizontal plates;

[0014] S2, the polishing structure will polish the surface of the steel plate, and the driving assembly will fully drive the polishing disc 15 to move repeatedly, so as to fully polish the steel plate;

[0015] S3. After polishing, the material will enter the coating roller for direct coating operation, and then be transported by the conveying roller to the drying area for drying, completing the polishing and coating operations at one time.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, the steel plate can be directly polished and coated inside the processing box, thereby improving the processing efficiency, reducing the transfer steps, and improving the productivity;

[0018] 2. The driving assembly of the present invention is matched with the conveying roller to completely enable the polishing disc to complete the circle throwing operation on the upper and lower surfaces of the steel plate, which is fast and convenient to operate, further improving the processing efficiency;

[0019] 3. In the present invention, after coating the steel plate, the heating tube will directly generate hot air to dry the coated paint. At the same time, the second motor drives the conveying rollers to rotate in opposite directions at the same time, driving the steel plate body to move intermittently and gradually. When the steel plate body moves to the position of the heating tube, the residence time inside will be increased, thereby improving the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the main structure of the present invention.

[0022] Figure 2 It is a side view structural schematic diagram of the present invention.

[0023] Figure 3 This is a schematic diagram of the internal structure of the processing box of the present invention.

[0024] Figure 4 For the present invention Figure 3 Enlarged structural diagram at A in the middle.

[0025] Figure 5 It is a schematic diagram of the horizontal plate structure of the present invention.

[0026] Figure 6 It is a schematic diagram of the vertical plate structure of the present invention.

[0027] Figure 7 It is a schematic diagram of the connection structure between the half-face gear and the full gear of the present invention.

[0028] In the figure: 1, processing box; 11, steel plate body; 12, through groove; 13, partition; 14, horizontal plate; 15, polishing disc; 16, driving source; 17, telescopic rod; 18, connecting plate; 19, movable groove; 2, push block; 21, rotating plate; 22, rotating shaft; 23, first motor; 3, vertical plate; 31, driving gear; 32, tooth plate; 33, connecting rod; 34, mounting block; 35, screw rod; 4, scraper; 41, suction dust collector; 5. coating roller; 51. first storage box; 52. second storage box; 521. discharge hopper; 53. conveying pipe; 54. transmission rod; 55. fixed gear; 6. bracket; 61. conveying roller; 62. rotating rod; 63. transmission gear; 64. transmission shaft; 65. belt; 7. full gear; 71. connecting shaft; 72. half gear; 73. second motor; 8. support plate; 9. heating tube; 91. fan. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1-7 As shown, the present invention provides a cold-rolled steel plate forming device, including a processing box 1, two ends of the processing box 1 are penetrated by through grooves 12, and a steel plate body 11 is arranged in the through grooves 12, the interior of the processing box 1 is divided by two vertically arranged partitions 13, and the partitions 13 are provided with through grooves 12 identical to the two ends of the processing box 1, one end of the processing box 1 is provided with two diagonally distributed cross plates 14, the cross plates 14 are located above and below the through grooves 12 and are horizontally arranged, and the two ends of the two cross plates 14 respectively pass through the processing box 1, and a plurality of polishing discs 15 distributed at equal intervals are arranged on the side of the cross plate 14 close to the steel plate body 11, and the polishing discs 15 are all driven by a driving source 16, and the driving source 16 at this position can be driven by a servo motor currently available on the market, and the two cross plates 14 are provided with a driving assembly, and two symmetrically arranged coating rollers 5 are arranged at the middle position of the two partitions 13 in the processing box 1, and a drying assembly is provided at the end of the processing box 1 away from the cross plate 14.

[0031] The driving assembly includes a telescopic rod 17, and the number of telescopic rods 17 is two, which are symmetrically distributed and arranged at both ends of the horizontal plate 14 located above. The output end of the telescopic rod 17 is fixedly arranged on the horizontal plate 14, and the tops of the two telescopic rods 17 are commonly fixed with a horizontally arranged connecting plate 18, and the middle end of the connecting plate 18 is penetrated by a movable groove 19, and a push block 2 is movably inserted in the movable groove 19, and a rotating plate 21 is fixedly arranged on the top of the push block 2, and a vertically arranged rotating shaft 22 is fixedly arranged at one end of the rotating plate 21 away from the push block 2, and a first motor 23 is arranged on the top of the rotating shaft 22, and the output end of the first motor 23 is coaxially fixedly arranged on the rotating shaft 22, and one end of the two horizontal plates 14 A connecting assembly is provided between the two horizontal plates 14, and the connecting assembly includes a vertical plate 3, which is arranged between the ends of the two horizontal plates 14. A driving gear 31 is rotatably provided in the middle of the vertical plate 3, and two diagonally distributed tooth plates 32 are meshed on the driving gear 31. A connecting rod 33 is fixedly provided at one end of the two horizontal plates 14 close to the vertical plate 3, and the end of the connecting rod 33 away from the horizontal plate 14 is fixedly provided on the adjacent tooth plate 32 and the connecting rod 33 movably passes through the vertical plate 3. Two symmetrically arranged mounting blocks 34 are fixedly provided on one side of the outside of the vertical plate 3, and a screw rod 35 is provided between the two mounting blocks 34 for common rotation, and the connecting rod 33 close to the mounting block 34 is threadedly provided on the screw rod 35.

[0032] By adopting the above technical solution, the steel plate body 11 can be completely polished to ensure the integrity of the surface polishing of the steel plate body 11.

[0033] Scrapers 4 are fixedly provided on the partition 13 close to the horizontal plate 14 at the upper and lower sides of the steel plate body 11 , and a dust collector 41 is located between the scrapers 4 and the horizontal plate 14 at the upper part of the processing box 1 .

[0034] By adopting the above technical solution, the scraper 4 and the vacuum cleaner 41 can clean the impurities generated after polishing to prevent them from entering the coating area and affecting the coating.

[0035] A first storage box 51 is installed in the processing box 1 below the coating roller 5, and the bottom of the coating roller 5 located below is located in the first storage box 51. A second storage box 52 is fixedly installed outside the processing box 1 directly above the coating roller 5, and a discharge hopper 521 is installed at the bottom of the second storage box 52. The bottom of the discharge hopper 521 penetrates the processing box 1 and is located directly above the coating roller 5 above. A conveying pipe 53 is commonly connected between the first storage box 51 and the second storage box 52. The end of the conveying pipe 53 close to the first storage box 51 is connected to the first storage box 51 through a pump. A transmission rod 54 is fixedly provided at the end of the two coating rollers 5 and the transmission rod 54 is rotatably set on the inner wall of the processing box 1, wherein the two transmission rods 54 on the same side are connected by two meshing fixed gears 55. It is worth noting that the transmission rod 54 can be driven by a servo motor currently available on the market as a driving source.

[0036] By adopting the above technical solution, the upper and lower surfaces of the steel plate body 11 can be coated simultaneously. At the same time, the paint flowing through the second storage box 52 will fall into the first storage box 51, and can be subsequently input into the second storage box 52 through the conveying pipe 53, thereby increasing the utilization of resources.

[0037] Two vertically symmetrical brackets 6 are installed at both ends of the outside of the processing box 1. A conveying roller 61 is provided between two adjacent brackets 6 and directly below the through groove 12. The two ends of the conveying roller 61 are rotatably set on the bracket 6 through a rotating rod 62, wherein the two adjacent rotating rods 62 are connected by two meshing transmission gears 63. A transmission shaft 64 is rotatably provided at the bottom of one side of the outer wall of the processing box 1. A belt 65 is provided between the transmission shaft 64 and one of the rotating rods 62 at both ends of the processing box 1. The belt 65 is connected to the transmission shaft 64 and the two rotating rods 62 through a belt 65 wheel.

[0038] By adopting the above technical solution, the conveying rollers 61 arranged at both ends of the processing box 1 can rotate synchronously.

[0039] The drying assembly includes a heating tube 9 , which is arranged inside the processing box 1 and located above and below the through slot 12 . A fan 91 is provided inside the processing box 1 at the bottom of the heating tube 9 .

[0040] By adopting the above technical solution, the internally arranged heating tube 9 will generate hot air to dry the applied paint, and cooperate with the fan 91 to make the hot air at the bottom quickly contact the steel plate body 11, thereby completing the purpose of drying the paint on the surface of the steel plate body 11.

[0041] A connecting shaft 71 is rotatably provided on the bracket 6 away from the heating tube 9 and close to the belt 65. A half-face gear 72 is fixedly provided on the connecting shaft 71. A full gear 7 meshing with the half-face gear 72 is fixedly provided on the rotating rod 62 close to the connecting shaft 71. A second motor 73 is fixedly installed on the bracket 6 close to the connecting shaft 71. The output end of the second motor 73 is coaxially fixed on the connecting shaft 71.

[0042] By adopting the above technical solution, the second motor 73 can drive the half-gear 72 to rotate. At this time, the half-gear 72 will drive the full gear 7 to rotate intermittently. At the same time, the intermittently rotating full gear 7 will drive one of the conveying rollers 61 to rotate. At this time, through the two meshing transmission gears 63, the two conveying rollers 61 will rotate in opposite directions at the same time to drive the steel plate body 11 to move intermittently and gradually. Therefore, when the steel plate body 11 moves to the position of the heating tube 9, the residence time inside will be increased, thereby improving the drying effect.

[0043] A support plate 8 is fixedly provided on the outer wall of the processing box 1 close to the connecting shaft 71 and below the conveying roller 61 .

[0044] By adopting the above technical solution, the steel plate body 11 to be polished and coated is placed on the support plate 8 to support the steel plate body 11 to prevent the end that has not entered the processing box 1 from tilting.

[0045] A forming method for a cold-rolled steel plate forming device comprises the following steps;

[0046] S1, the steel plate is fed into the processing box 1 through the conveying roller 61, and passes through the polishing structure on the two horizontal plates 14;

[0047] S2, the polishing structure will polish the surface of the steel plate, and the driving assembly will fully drive the polishing disc 15 to move repeatedly, so as to fully polish the steel plate;

[0048] S3, after polishing, the material enters the coating roller 5 for direct coating operation, and then is transported by the conveying roller 61 to the drying area for drying, completing the polishing and coating operations at one time.

[0049] Working principle: When in use, the steel plate body 11 to be polished and coated is placed on the support plate 8, and one end is inserted into the processing box 1 through the two conveying rollers 61. When the two conveying rollers 61 work, the steel plate body 11 will be driven to gradually penetrate into the processing box 1. At the same time, the staff can drive the screw rod 35 to rotate. The rotation of the screw rod 35 will drive the connecting rod 33 meshed with it to move upward. At this time, the connecting rod 33 will drive the cross plate 14 fixed thereto to move upward, so that the polishing disk 15 on the cross plate 14 can contact the lower surface of the steel plate body 11. When the above-mentioned cross plate 14 is working, since the two connecting rods 33 are connected by the driving gear 31 and the two diagonally distributed tooth plates 32, when the lower cross plate 14 moves upward, the upper cross plate 14 will be driven to move toward it, so that the upper cross plate 14 moves downward, so that the polishing disk 15 on the cross plate 14 contacts the upper surface of the steel plate body 11, so that The polishing disc 15 is in full contact with the upper surface of the steel plate body 11. At this time, the driving source 16 will drive the polishing disc 15 to rotate and polish the surface of the steel plate body 11. At this time, the first motor 23 can work, and the first motor 23 can drive the rotating shaft 22 to rotate. The rotating shaft 22 will drive the rotating plate 21 and the push block 2 fixed thereto to rotate. At this time, the push block 2 will push the connecting plate 18 to move. When the rotating plate 21 and the push block 2 are continuously driven and rotated by the rotating shaft 22, the push block 2 will continuously move from one end of the movable groove 19 to the other end. At this time, the connecting plate 18 is driven to continuously move back and forth. At the same time, the connecting plate 18 drives the cross plate 14 to move back and forth at a continuous interval through the telescopic rods 17 at both ends, so that the driven polishing disc 15 on the cross plate 14 moves, and the surface of the steel plate body 11 is fully polished. At the same time, as the conveying roller 61 continuously drives the steel plate body 11 to move, the steel plate body 11 can be fully polished.

[0050] As the steel plate body 11 gradually moves between the two coating rollers 5, the first storage box 51 and the second storage box 52 are both provided with the coating required for coating. The discharge hopper 521 arranged at the bottom of the second storage box 52 injects the coating in the second storage box 52 into the upper coating roller 5, and the lower coating roller 5 will be contaminated with the coating in the first storage box 51. The two coating rollers 5 are driven by two meshing fixed gears 55. When one fixed gear 55 is driven to rotate, the other fixed gear 55 will drive the other coating roller 5 to rotate synchronously in the opposite direction, so that the two coating rollers 5 will respectively coat the upper and lower surfaces of the steel plate body 11. At the same time, the coating flowing through the second storage box 52 will fall into the first storage box 51, and can be subsequently input into the second storage box 52 through the conveying pipe 53, thereby increasing the utilization of resources.

[0051] After coating, the steel plate body 11 will enter the drying area, and the heating tube 9 arranged inside will generate hot air to dry the coated paint. At the same time, the second motor 73 can drive the half-face gear 72 to rotate. At this time, the half-face gear 72 will drive the full gear 7 to rotate intermittently. At the same time, the intermittently rotating full gear 7 will drive one of the conveying rollers 61 to rotate. At this time, through the two meshing transmission gears 63, the two conveying rollers 61 will rotate in opposite directions at the same time, driving the steel plate body 11 to move intermittently and gradually. When the steel plate body 11 moves to the position of the heating tube 9, the residence time inside will be increased, thereby improving the drying effect. At the same time, with the fan 91, the hot air at the bottom can quickly contact the steel plate body 11, thereby completing the purpose of drying the paint on the surface of the steel plate body 11.

[0052] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A cold-rolled steel sheet forming device, comprising a processing box (1), characterized in that: Through slots (12) are provided at both ends of the processing box (1), a steel plate body (11) is provided in the through slots (12), the interior of the processing box (1) is divided by two vertically arranged partitions (13), the partitions (13) are provided with through slots (12) identical to those at both ends of the processing box (1), two diagonally distributed transverse plates (14) are provided at one end of the processing box (1), the transverse plates (14) are located above and below the through slots (12) and are arranged horizontally, and the two transverse plates The two ends of (14) respectively pass through the processing box (1), and a plurality of polishing discs (15) distributed at equal intervals are provided on the side of the horizontal plate (14) close to the steel plate body (11), and the polishing discs (15) are driven by a driving source (16). The two horizontal plates (14) are provided with a driving assembly, and two symmetrically arranged coating rollers (5) are provided in the middle position of the two partitions (13) inside the processing box (1), and a drying assembly is provided at the end of the processing box (1) away from the horizontal plate (14).

2. A cold-rolled steel plate forming device as claimed in claim 1, characterized in that: The driving assembly comprises a telescopic rod (17), wherein two telescopic rods (17) are arranged symmetrically at two ends of a horizontal plate (14) located above, an output end of the telescopic rod (17) is fixedly arranged on the horizontal plate (14), a horizontally arranged connecting plate (18) is fixedly arranged on the top of the two telescopic rods (17), a movable groove (19) is penetrated through the middle end of the connecting plate (18), a push block (2) is movably inserted in the movable groove (19), a rotating plate (21) is fixedly arranged on the top of the push block (2), a vertically arranged rotating shaft (22) is fixedly arranged at one end of the rotating plate (21) away from the push block (2), a first motor (23) is arranged on the top of the rotating shaft (22), and an output end of the first motor (23) is coaxially fixedly arranged on the rotating shaft (22), and a connecting assembly is arranged between one end of the two horizontal plates (14).

3. A cold-rolled steel plate forming device as claimed in claim 2, characterized in that: The connecting assembly comprises a vertical plate (3), wherein the vertical plate (3) is arranged between the ends of two horizontal plates (14), a driving gear (31) is rotatably arranged in the middle of the vertical plate (3), and two diagonally distributed tooth plates (32) are meshed on the driving gear (31), and a connecting rod (33) is fixedly arranged at one end of the two horizontal plates (14) close to the vertical plate (3), and the end of the connecting rod (33) away from the horizontal plate (14) is fixedly arranged on the adjacent tooth plate (32) and the connecting rod (33) movably passes through the vertical plate (3), and two symmetrically arranged mounting blocks (34) are fixedly arranged on one side of the exterior of the vertical plate (3), and a screw rod (35) is rotatably arranged between the two mounting blocks (34), and the connecting rod (33) close to the mounting block (34) is threadedly arranged on the screw rod (35).

4. A cold-rolled steel plate forming device as claimed in claim 2, characterized in that: A scraper (4) is fixedly provided on the upper and lower sides of the steel plate body (11) on the partition (13) close to the transverse plate (14), and a dust collector (41) is located between the scraper (4) and the transverse plate (14) at the top of the processing box (1).

5. A cold-rolled steel plate forming device as claimed in claim 1, characterized in that: A first storage box (51) is installed in the processing box (1) below the coating roller (5), and the bottom of the coating roller (5) located below is located in the first storage box (51). A second storage box (52) is fixedly installed outside the processing box (1) just above the coating roller (5), and a discharge hopper (521) is installed at the bottom of the second storage box (52). The bottom of the discharge hopper (521) passes through the processing box (1) and is located just above the coating roller (5) above. A conveying pipe (53) is commonly connected between the first storage box (51) and the second storage box (52). One end of the conveying pipe (53) close to the first storage box (51) is connected to the first storage box (51) through a pump. Transmission rods (54) are fixedly provided at the ends of the two coating rollers (5), and the transmission rods (54) are rotatably arranged on the inner wall of the processing box (1), wherein the two transmission rods (54) on the same side are connected by two meshing fixed gears (55).

6. A cold-rolled steel plate forming device as claimed in claim 1, characterized in that: Two brackets (6) are installed at both ends of the outside of the processing box (1) and are arranged in a vertically symmetrical manner. A conveying roller (61) is arranged between two adjacent brackets (6) and directly below the through slot (12). The two ends of the conveying roller (61) are rotatably arranged on the bracket (6) through a rotating rod (62), wherein the two adjacent rotating rods (62) are connected by two meshing transmission gears (63). A transmission shaft (64) is rotatably arranged at the bottom of one side of the outer wall of the processing box (1). A belt (65) is arranged between the transmission shaft (64) and one of the rotating rods (62) at the two ends of the processing box (1). The belt (65) is connected to the transmission shaft (64) and the two rotating rods (62) through a belt (65) wheel.

7. A cold-rolled steel plate forming device as claimed in claim 1, characterized in that: The drying assembly comprises a heating tube (9), which is arranged inside the processing box (1) and located above and below the through slot (12). A fan (91) is provided inside the processing box (1) at the bottom of the heating tube (9).

8. A cold-rolled steel plate forming device as claimed in claim 7, characterized in that: A connecting shaft (71) is rotatably provided on the bracket (6) away from the heating tube (9) and close to the belt (65); a half-face gear (72) is fixedly provided on the connecting shaft (71); a full gear (7) meshing with the half-face gear (72) is fixedly provided on the rotating rod (62) close to the connecting shaft (71); a second motor (73) is fixedly installed on the bracket (6) close to the connecting shaft (71); and an output end of the second motor (73) is coaxially fixedly provided on the connecting shaft (71).

9. A cold-rolled steel plate forming device as claimed in claim 1, characterized in that: A support plate (8) is fixedly provided on the outer wall of the processing box (1) close to one side of the connecting shaft (71) and below the conveying roller (61).

10. A forming method for a cold-rolled steel plate forming device as claimed in claims 1 to 9, characterized in that: The method comprises the following steps: S1, the steel plate is fed into the processing box through the conveying roller (61), and passes through the polishing structure on the two horizontal plates (14); S2, the polishing structure will polish the surface of the steel plate, and the driving assembly will fully drive the polishing disc (15) to move repeatedly, so as to fully polish the steel plate; S3, after polishing, the material enters the coating roller (5) for direct coating operation, and then is transported by the conveying roller (61) to the drying area for drying, thus completing the polishing and coating operations at one time.

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